R Value Wooden Garage Door

R value of garage door insulation what is r value.

R value wooden garage door.

If you have ever shopped for a new garage door you have probably come across an r value. Overhead door corporation uses a calculated door section r value for our insulated doors. Shoppers may get the impression that this number is important and it is but most are unsure about what it is or why they should even pay attention to it when choosing a garage door. R values climb as thickness of the material increases.

For instance if your garage is not attached to the home and is insulated you ll want to look for a door with a rating higher than r 10. What is a good r value for a garage door. Should you be concerned about r value in choosing your garage door. If it s not insulated then an r 6 value will do.

Even though it seems worse than other materials because wood has a lot of mass it actually can store energy not just prevent the ingress or egress of energy which is only what r values measure. That s particularly true if you have a heating system in the garage. Attached but not actively heated or cooled garages should have a garage door with an r value between r 6 and r 9. However you also need to analyze the door s cold resistance before making a purchase decision.

A 2 1 4 inch solid core wooden door for example has an r value of 3 70. For example clopay has few different types of 3 lyres door steel back door and the r value rated between 9 18 4 the difference between the r values is caused by the thickness of the doors 1 model is. R value is a measure of thermal efficiency. Installation is not included.

Actively cooled or heated garages should have a garage door with an r value of r 13 or higher to save on energy costs. See chart for r value comparisons. The r value is determined by the thickness of the door and by the materiel that the insulation is made of. The price includes the door and components only.

A value of r 16 offers a 5 reduction in heat flow and a 5 improvement in energy efficiency over a value of r 8. If your garage is not detached then the garage is probably insulated and you ll want a garage door with an r 12 value. The higher the r value the greater the insulating properties of the door. We have several door styles to meet your insulated door needs for both residential and commercial applications.

It does not offer twice as much thermal resistance or twice the energy savings. The r value of a 1 3 4 inch wood door is 3 03. Detached garages need a lower overall r value between 0 and r 6. An r value of 16 is not twice as good as an r value of 8.

For example the door s description may read 16 ft x 7 ft r value 6 5.